diff options
Diffstat (limited to 'compat/macros.hpp')
| -rw-r--r-- | compat/macros.hpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compat/macros.hpp b/compat/macros.hpp index e3b5976a..d51bace7 100644 --- a/compat/macros.hpp +++ b/compat/macros.hpp @@ -70,3 +70,8 @@ # define likely(x) (x) # define unlikely(x) (x) #endif + +#define progn(...) (([&]() { __VA_ARGS__ })()) +#define prog1(x, ...) (([&]() { auto _ret1324 = (x); do { __VA_ARGS__; } while (0); return _ret1324; })()) + +#define once_only(...) do { static bool once__ = false; if (!once__) { once__ = true; __VA_ARGS__; } } while(false) |